JPH02102443U

JPH02102443U -

Info

Publication number: JPH02102443U
Application number: JP891089U
Authority: JP
Priority date: 1989-01-28
Filing date: 1989-01-28
Publication date: 1990-08-15

Description

[Brief explanation of the drawing]

第１〜第６Ａ図は本考案の第１実施例を示し、
第１図はシリンダヘツドの縦断正面図で、第２図
−線断面図に対応し、第２図は第１図−
矢視図、第３図はライナの平面図、第４図は第３
図−線断面図、第５図は第４図−線断面
図、第５Ａ図は第５図ａ矢示部の拡大図、第５
Ｂ図は第５Ａ図ｂ矢示部の拡大図、第６図は第
４図−線断面図、第６Ａ図は第６図ａ矢示
部の拡大図、第７図は第５Ａ図に対応する本考案
の第２実施例の拡大断面図、第８、第９図は本考
案の第３実施例を示し、第８図はシリンダヘツド
の縦断正面図で、第９図−線断面図に対応し
、第９図は第８図−矢視図である。Ｒ……分岐領域、ａ_１，ａ_２……内壁部（高強
度要求部位）、ｇ……ガラス、ｖ……空隙、１…
…シリンダヘツド、４……吸気ポート、７……排
気ポート、８……シリンダヘツド本体、９，９_１，９_２……ライナ（部分強化セラミツク部材）、
１３_１，１３_２……凹所（高強度要求部位）。 1 to 6A show a first embodiment of the present invention,
Figure 1 is a longitudinal sectional front view of the cylinder head, which corresponds to the line sectional view in Figure 2.
The arrow view, Figure 3 is the plan view of the liner, Figure 4 is the liner
Figure 5 is a sectional view taken along the line in Figure 4, Figure 5A is an enlarged view of the section indicated by arrow a in Figure 5,
Figure B is an enlarged view of the part indicated by arrow b in Figure 5A, Figure 6 is a sectional view taken along the line of Figure 4, Figure 6A is an enlarged view of the part indicated by arrow a in Figure 6, and Figure 7 corresponds to Figure 5A. 8 and 9 are enlarged sectional views of the second embodiment of the present invention, and FIG. 8 is a longitudinal sectional front view of the cylinder head, and FIG. 9 is a sectional view taken along the line Correspondingly, FIG. 9 is a view in the direction of FIG. 8. R...Branch region, _a1 , _a2 ...Inner wall portion (high strength required area), g...Glass, v...Void, 1...
...Cylinder head, 4...Intake port, 7...Exhaust port, 8...Cylinder head body, 9,9 ₁ , 9 ₂ ... liner (partially reinforced ceramic member),
13 ₁ , 13 ₂ ... recess (part requiring high strength).

Claims

[Claims for Utility Model Registration] (1) A partially reinforced ceramic member characterized by filling voids in areas where high strength is required with glass. (2) The partially reinforced ceramic member according to item (1), wherein the partially reinforced ceramic member is a hollow body for casting, and the portion is a recess existing in a peripheral wall of the hollow body. (3) The hollow body is a manifold liner forming at least one of a manifold intake port and a manifold exhaust port of a cylinder head for an engine, and the recess is located in a branch area of the manifold liner. The partially reinforced ceramic member according to item (2). (4) The partially reinforced ceramic member according to item (3), wherein in the recess, only the void existing in the inner wall facing at least one of the intake port and the exhaust port is filled with glass. (5) The hollow body is a manifold-shaped liner that forms at least one of an intake passage of an intake manifold for an engine and an exhaust passage of an exhaust manifold, and the recess is a second hollow body located in a branch area of the manifold-shaped liner. ) The partially reinforced ceramic member described in item ). (6) The partially reinforced ceramic member according to item (5), wherein in the recess, only the void existing in the inner wall portion facing at least one of the intake passage and the exhaust passage is filled with glass. (7) Nos. (1), (2), (3), (4), and (5) using alumina titanate as a ceramic raw material.
) or the partially reinforced ceramic member described in item (6).